Active Personal Trainer

personal trainer
A person who creates custom individualized diet and exercise portfolios for the client.
A personal trainer is a person who helps people exercise. The scope of practice for a personal trainer is to enhance the components of fitness for the general, healthy population.
Individual that may or may not hold any certification or degree in the related field of strength and conditioning. This person is commonly found in a private gym setting. (Former players, weight lifters, want-a-be coaches)

active
Characterized by energetic activity
Moving or tending to move about vigorously or frequently
(of a person) Engaging or ready to engage in physically energetic pursuits
active agent: chemical agent capable of activity
tending to become more severe or wider in scope; "active tuberculosis"
active voice: the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb; "`The boy threw the ball' uses the active voice"